Using a Mix of Computers and Humans for Security
Filed Under Security
Suppose that your bank offers currency conversion as a service: give them a deposit or make a withdrawal in euros and they’ll adjust your balance in dollars. They don’t do this out of the goodness of their hearts: today’s conversion rate is around 1.28 $ / €, so they’d give you 0.75 € for every $ and 1.25 $ for every € so they’d make a good 6.5% margin on the conversions. Read more
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